Direct measurement of the mass difference between top and antitop quarks

Abstract

We present a measurement of the mass difference between t and tbar quarks observed in lepton+jets final states of ttbar events in 1 fb-1 of data collected with the D0 detector at the Fermilab Tevatron Collider in ppbar collisions at sqrt(s)=1.96 TeV. The observed mass difference of 3.8+-3.7 GeV is consistent with the equality of t and tbar masses. This is the first direct measurement of a mass difference between a quark and its antiquark partner.

submitted to Phys. Rev. Letters

References in corpus (3)

• Measurement of the top quark mass in the lepton+jets final state with the matrix element method
• Precise measurement of the top quark mass from lepton+jets events at D0
• Searching for CPT violation in top anti-top production

Cited by in corpus (12)

• Combination of the top-quark mass measurements from the Tevatron collider
• Direct measurement of the mass difference between top and antitop quarks
• Measurement of the mass difference between $t$ and $\bar{t}$ quarks
• Measurement of the mass difference between top and antitop quarks
• Precision measurements of the top quark mass from the Tevatron in the pre-LHC era
• Measurement of the mass difference between top quark and antiquark in pp collisions at sqrt(s) = 8 TeV
• Top Quark Physics at the Tevatron
• Measurement of the Mass Difference Between Top and Anti-top Quarks at CDF
• Measurement of the mass difference between top and anti-top quarks in pp collisions at sqrt(s) = 7 TeV using the ATLAS detector
• Properties of the Top Quark
• CPT analysis with top physics
• Top Quark Properties